#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
#define F first
#define S second
#define pb push_back
#define endl "\n"
#define all(x) x.begin(), x.end()
const int M = 500007;
const ll inf = 2e9;
const ll mod = 1e9 + 7;
const double pi = acos(-1);
const double eps = 1e-6;
const int dx[] = {0, -1, 0, 1}, dy[] = {1, 0, -1, 0};
const int block = 320;
char ans[M];
int n, q;
int main(){
// ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
cout.flush();
cin >> n >> q;
int rem = n / 2;
for(int i = 1; i <= n; ++i) if(!ans[i]){
bool ok = 0;
for(int j = i + 1; j <= n; j += 2) if(!ans[j]){
cout << "? " << i << " " << j << endl;
cout.flush();
cin >> ok;
if(ok){
ans[i] = '(';
ans[j] = ')';
--rem;
break;
}
}
if(!ok){
if(rem) --rem, ans[i] = ')';
else ans[i] = '(';
}
}
cout << "! ";
for(int i = 1; i <= n; ++i) cout << ans[i];
cout << endl;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
208 KB |
Output is correct |
2 |
Correct |
6 ms |
208 KB |
Output is correct |
3 |
Correct |
23 ms |
208 KB |
Output is correct |
4 |
Correct |
28 ms |
208 KB |
Output is correct |
5 |
Correct |
62 ms |
208 KB |
Output is correct |
6 |
Correct |
92 ms |
208 KB |
Output is correct |
7 |
Correct |
762 ms |
208 KB |
Output is correct |
8 |
Correct |
49 ms |
208 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
208 KB |
Output is correct |
2 |
Runtime error |
1094 ms |
284 KB |
Execution killed with signal 13 |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
208 KB |
Output is correct |
2 |
Correct |
226 ms |
460 KB |
Output is correct |
3 |
Runtime error |
720 ms |
424 KB |
Execution killed with signal 13 |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
208 KB |
Incorrect |
2 |
Halted |
0 ms |
0 KB |
- |